<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>div_css3</title>
<style type="text/css">
#left {
	border: 1px dashed #0099CC;
	background-color: cyan;
	height: 200px;
	width: 300px;
	float: left
}
#right{
	border: 1px dashed #0099CC;
	background-color: LightSkyBlue;
	height: 200px;
	width: 300px;
	float: left
}
</style>
</head>
<body>
	<div id="left">
		左边
	</div>
	<div id="right">
		右边
	</div>
</body>
</html>
